How to downgrade your iPhone from iOS 11

We were all excited for iOS 11, but some of us were disappointed when we finally updated our phones. Specifically, those of us who still have the iPhone 6.  For iPhone 6 users like me, iOS 11 has created more issues than it's actually solved. The new operating system has often slowed down our phones to the point where the novelty of new features is outweighed by the decrease in performance. My phone just doesn't work like it used to. SEE ALSO: 13 Incredibly Handy New iOS 11 Features Luckily, th...